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Toplam kayıt 199, listelenen: 144-163
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Orthogonal frequency division multiplexing with subcarrier gap modulation
(Institute of Electrical and Electronics Engineers Inc., 2020)A new modulation scheme called orthogonal frequency division multiplexing with subcarrier gap modulation (OFDM-SGM) is proposed. The proposed scheme embeds extra information bits by exploiting the gap between the active ... -
OTFS-FMCW waveform design for low complexity joint sensing and communication
(Institute of Electrical and Electronics Engineers Inc., 2022)Joint sensing and communication (JSAC) systems are becoming attractive technologies since they can map the radio environment while performing communication using the same frequency bands. This is achieved by radar signal ... -
Performance analysis of frequency domain im schemes under CFO and IQ imbalance
(Institute of Electrical and Electronics Engineers Inc., 2019)Next generation of mobile networks is the key area of research with increasing demand for new applications and use cases. In order to satisfy the applications with high data rate, high reliability, and low latency, ... -
Performance analysis of user scheduling in massive MIMO with fast moving users
(Institute of Electrical and Electronics Engineers Inc., 2019)This paper analyzes the effect of fast fading Doppler channel on user scheduling algorithms. Considering a millimeter wave (mmWave) downlink massive multiple-input multiple-output (M-MIMO) system, we adopt a two-stage ... -
Performance of TDOA and AOA localization techniques for different base-stations topologies
(Institute of Electrical and Electronics Engineers Inc., 2019)Time difference of arrival (TDOA) and angle ofarrival (AOA) localization techniques provide satisfactory positioning performance utilizing multiple base-stations (BSs). However, their performance depends on the BSs topology, ... -
Phase index-based receive spatial modulation PHY security against supervised pattern recognition
(IEEE - Institute of Electrical and Electronics Engineers, Inc, 2021)Receive Spatial Modulation (RSM) uses the index of the receive antenna to convey additional information bits, which reduces the receiver complexity and improves spectral efficiency. Additionally, it provides inherent ... -
Physical effect of in-phase and quadrature imbalance in delay-doppler domain
(Institute of Electrical and Electronics Engineers Inc., 2021)Orthogonal time frequency space (OTFS) technique is a recent two-dimensional (2-D) modulation aiming to exploit both time and frequency selectivity of doubly dispersive wireless channel, which significantly affects the ... -
Physical layer security for visible light communication in the presence of ISI and NLoS
(Institute of Electrical and Electronics Engineers Inc., 2022)Visible light communication (VLC) is an important alternative and/or complementary technology for next generation indoor wireless broadband communication systems. In order to ensure data security for VLC in public areas, ... -
Physical layer security for wireless implantable medical devices
(Institute of Electrical and Electronics Engineers, 2015)Wireless communications are increasingly important in health-care applications, particularly in those that use implantable medical devices (IMDs). Such systems have many advantages in providing remote healthcare in terms ... -
A practical physical-layer security method for precoded OSTBC-based systems
(Institute of Electrical and Electronics Engineers, 2016)In this work, we investigate the security performance obtained by employing a practical precoded orthogonal space time block coding method (POSTBC) in MISO wireless networks. In particular, space time codewords are precoded ... -
Predicting path loss distributions of a wireless communication system for multiple base station altitudes from satellite images
(IEEE Computer Society, 2022)It is expected that unmanned aerial vehicles (UAVs) will play a vital role in future communication systems. Optimum positioning of UAVs, serving as base stations, can be done through extensive field measurements or ray ... -
PSK modulation/demodulation and performance evaluation in FM band using USRP
(Institute of Electrical and Electronics Engineers Inc., 2018)Rapid changes in the wireless systems require reconfigurability. So, an efficient and highly configurable hardware is feasible for such kind of systems. Reconfigurability in fixed hardware systems increases complexity. ... -
Quantum laboratory setup for future wireless communication systems
(American Institute of Physics Inc., 2019)Fifth generation of wireless communication envisages a diverse network that imposes stringent requirements regarding capacity, reliability, security, latency and seamless connectivity. These lofty goals have driven researchers ... -
Quasisynchronous LoRa for LEO nanosatellite communications
(Institute of Electrical and Electronics Engineers Inc., 2023)Perfect synchronization in LoRa communications between Low Earth Orbit (LEO) satellites and ground base stations is still challenging, despite the potential use of atomic clocks in LEO satellites, which offer high precision. ... -
Reconfigurable intelligent surface (RIS): Eigenvalue decomposition-based separate channel estimation
(Institute of Electrical and Electronics Engineers Inc., 2021)Reconfigurable intelligent surface (RIS) has recently drawn significant attention in wireless communication technologies. However, identifying, modeling, and estimating the RIS channel in multiple-input multiple-output ... -
Reduced-rank joint estimation of DOA with mutual coupling
(Institute of Electrical and Electronics Engineers Inc., 2018)In this paper, an extended reduced-rank direction-of-arrival (DOA) estimation with unknown mutual coupling in uniform linear array (ULA) structure is presented. The proposed method is based on the joint iterative subspace ... -
Relay node selection and power allocation for distributed self-concatenated convolutional codes
(Institute of Electrical and Electronics Engineers Inc., 2017)In this contribution, the performance of a Distributed Self-Concatenated Convolutional Coding (DSECCC) scheme is analyzed by using Iterative Decoding (ID) for cooperative communications (CC) with the aid of relay selection ... -
Reliable listen-before-talk mechanism for medical implant communication systems
(Institute of Electrical and Electronics Engineers Inc., 2016)Health care applications of wireless communication have been finding places dramatically. One of these applications is communication of implantable medical devices (IMD)s. It is expected that the number of IMDs will increase ... -
Roger F. Harrington, 1989 IEEE AP-S distinguished achievement awardee
(Institute of Electrical and Electronics Engineers, 2017)Roger F. Harrington is widely recognized as one of the key figures in electromagnetics of the latter half of the twentieth century. He is most well-known for his development of the Method of Moments (MoM) and for his ... -
rs-fMRI analysis using spatio-temporal sparse convolutional neural networks
(Institute of Electrical and Electronics Engineers Inc., 2022)Neuropsychiatric diseases such as Autism Spectrum Disorder (ASD) and Schizophrenia cause various behavioral and communication dysfunctions in human life. Resting state functional magnetic resonance imaging (rs-fMRI) is ...
